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#include "scene-item-transform-helpers.hpp"
namespace advss {
static std::pair<double, double> getSceneItemSize(obs_scene_item *item)
{
std::pair<double, double> size;
obs_source_t *source = obs_sceneitem_get_source(item);
size.first = double(obs_source_get_width(source));
size.second = double(obs_source_get_height(source));
return size;
}
std::string GetSceneItemTransform(obs_scene_item *item)
{
struct obs_transform_info info;
struct obs_sceneitem_crop crop;
#if (LIBOBS_API_VER >= MAKE_SEMANTIC_VERSION(30, 1, 0))
obs_sceneitem_get_info2(item, &info);
#else
obs_sceneitem_get_info(item, &info);
#endif
obs_sceneitem_get_crop(item, &crop);
auto size = getSceneItemSize(item);
auto data = obs_data_create();
SaveTransformState(data, info, crop);
obs_data_t *obj = obs_data_create();
obs_data_set_double(obj, "width", size.first * info.scale.x);
obs_data_set_double(obj, "height", size.second * info.scale.y);
obs_data_set_obj(data, "size", obj);
obs_data_release(obj);
auto json = std::string(obs_data_get_json(data));
obs_data_release(data);
return json;
}
void LoadTransformState(obs_data_t *obj, struct obs_transform_info &info,
struct obs_sceneitem_crop &crop)
{
obs_data_get_vec2(obj, "pos", &info.pos);
obs_data_get_vec2(obj, "scale", &info.scale);
info.rot = (float)obs_data_get_double(obj, "rot");
info.alignment = (uint32_t)obs_data_get_int(obj, "alignment");
info.bounds_type =
(enum obs_bounds_type)obs_data_get_int(obj, "bounds_type");
info.bounds_alignment =
(uint32_t)obs_data_get_int(obj, "bounds_alignment");
obs_data_get_vec2(obj, "bounds", &info.bounds);
crop.top = (int)obs_data_get_int(obj, "top");
crop.bottom = (int)obs_data_get_int(obj, "bottom");
crop.left = (int)obs_data_get_int(obj, "left");
crop.right = (int)obs_data_get_int(obj, "right");
}
bool SaveTransformState(obs_data_t *obj, const struct obs_transform_info &info,
const struct obs_sceneitem_crop &crop)
{
struct vec2 pos = info.pos;
struct vec2 scale = info.scale;
float rot = info.rot;
uint32_t alignment = info.alignment;
uint32_t bounds_type = info.bounds_type;
uint32_t bounds_alignment = info.bounds_alignment;
struct vec2 bounds = info.bounds;
obs_data_set_vec2(obj, "pos", &pos);
obs_data_set_vec2(obj, "scale", &scale);
obs_data_set_double(obj, "rot", rot);
obs_data_set_int(obj, "alignment", alignment);
obs_data_set_int(obj, "bounds_type", bounds_type);
obs_data_set_vec2(obj, "bounds", &bounds);
obs_data_set_int(obj, "bounds_alignment", bounds_alignment);
obs_data_set_int(obj, "top", crop.top);
obs_data_set_int(obj, "bottom", crop.bottom);
obs_data_set_int(obj, "left", crop.left);
obs_data_set_int(obj, "right", crop.right);
return true;
}
} // namespace advss
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